(noun) The quality of being diverse or different; difference or unlikeness.
"The next time some academics tell you how important diversity is, ask how many Republicans there are in their sociology department."
"It is time for parents to teach young people early on that in diversity there is beauty and there is strength."
"I think... if it is true that there are as many minds as there are heads, then there are as many kinds of love as there are hearts."
"Our ability to reach unity in diversity will be the beauty and the test of our civilisation."